Lean Startup by Eric Reis - highly recommendedhttp://www.amazon.com/Lean-Startup-Entrepreneurs-Continuous-ebook/dp/B004J4XGN6/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1316676773&sr=1-1 by Kavan • 15 years ago 1 1 15 years agoAMamazon.com